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Finding the Third Proportional to 57,506,128.50 and 123,781,029

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Solution

The third proportional to 57,506,128.50 and 123,781,029 is: 266,436,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,506,128.50 : 123,781,029 = 123,781,029 : x
  2. Step 2: Convert to fraction form
    57,506,128.50/123,781,029 = 123,781,029/x
  3. Step 3: Cross multiply
    57,506,128.50x = 123,781,029 × 123,781,029
  4. Step 4: Simplify right side
    57,506,128.50x = 15,321,743,140,298,840
  5. Step 5: Solve for x
    x = 15,321,743,140,298,840/57,506,128.50
  6. Step 6: Final answer
    x = 266,436,700.57

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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.