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Finding the Third Proportional to 56,684,209 and 85,011,531

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Solution

The third proportional to 56,684,209 and 85,011,531 is: 127,495,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684,209 : 85,011,531 = 85,011,531 : x
  2. Step 2: Convert to fraction form
    56,684,209/85,011,531 = 85,011,531/x
  3. Step 3: Cross multiply
    56,684,209x = 85,011,531 × 85,011,531
  4. Step 4: Simplify right side
    56,684,209x = 7,226,960,402,963,961
  5. Step 5: Solve for x
    x = 7,226,960,402,963,961/56,684,209
  6. Step 6: Final answer
    x = 127,495,126.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.