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Finding the Third Proportional to 8,412,750,508.50 and 18,168,730,318.50

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Solution

The third proportional to 8,412,750,508.50 and 18,168,730,318.50 is: 39,238,387,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,750,508.50 : 18,168,730,318.50 = 18,168,730,318.50 : x
  2. Step 2: Convert to fraction form
    8,412,750,508.50/18,168,730,318.50 = 18,168,730,318.50/x
  3. Step 3: Cross multiply
    8,412,750,508.50x = 18,168,730,318.50 × 18,168,730,318.50
  4. Step 4: Simplify right side
    8,412,750,508.50x = 330,102,761,386,381,082,624
  5. Step 5: Solve for x
    x = 330,102,761,386,381,082,624/8,412,750,508.50
  6. Step 6: Final answer
    x = 39,238,387,142.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.