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Finding the Third Proportional to 55,625,331 and 81,829,944

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Solution

The third proportional to 55,625,331 and 81,829,944 is: 120,379,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625,331 : 81,829,944 = 81,829,944 : x
  2. Step 2: Convert to fraction form
    55,625,331/81,829,944 = 81,829,944/x
  3. Step 3: Cross multiply
    55,625,331x = 81,829,944 × 81,829,944
  4. Step 4: Simplify right side
    55,625,331x = 6,696,139,735,043,136
  5. Step 5: Solve for x
    x = 6,696,139,735,043,136/55,625,331
  6. Step 6: Final answer
    x = 120,379,323.86

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.