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Finding the Third Proportional to 30,856,017 and 66,355,764

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Solution

The third proportional to 30,856,017 and 66,355,764 is: 142,697,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856,017 : 66,355,764 = 66,355,764 : x
  2. Step 2: Convert to fraction form
    30,856,017/66,355,764 = 66,355,764/x
  3. Step 3: Cross multiply
    30,856,017x = 66,355,764 × 66,355,764
  4. Step 4: Simplify right side
    30,856,017x = 4,403,087,416,023,696
  5. Step 5: Solve for x
    x = 4,403,087,416,023,696/30,856,017
  6. Step 6: Final answer
    x = 142,697,854.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.