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Finding the Third Proportional to 1,156,648.50 and 2,506,345.13

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Solution

The third proportional to 1,156,648.50 and 2,506,345.13 is: 5,431,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,648.50 : 2,506,345.13 = 2,506,345.13 : x
  2. Step 2: Convert to fraction form
    1,156,648.50/2,506,345.13 = 2,506,345.13/x
  3. Step 3: Cross multiply
    1,156,648.50x = 2,506,345.13 × 2,506,345.13
  4. Step 4: Simplify right side
    1,156,648.50x = 6,281,765,885,611.27
  5. Step 5: Solve for x
    x = 6,281,765,885,611.27/1,156,648.50
  6. Step 6: Final answer
    x = 5,431,006.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.