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Finding the Third Proportional to 19,387,496 and 40,780,624

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Solution

The third proportional to 19,387,496 and 40,780,624 is: 85,779,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,496 : 40,780,624 = 40,780,624 : x
  2. Step 2: Convert to fraction form
    19,387,496/40,780,624 = 40,780,624/x
  3. Step 3: Cross multiply
    19,387,496x = 40,780,624 × 40,780,624
  4. Step 4: Simplify right side
    19,387,496x = 1,663,059,293,829,376
  5. Step 5: Solve for x
    x = 1,663,059,293,829,376/19,387,496
  6. Step 6: Final answer
    x = 85,779,994.17

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.