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Finding the Third Proportional to 57,506,076 and 123,780,928

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Solution

The third proportional to 57,506,076 and 123,780,928 is: 266,436,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,506,076 : 123,780,928 = 123,780,928 : x
  2. Step 2: Convert to fraction form
    57,506,076/123,780,928 = 123,780,928/x
  3. Step 3: Cross multiply
    57,506,076x = 123,780,928 × 123,780,928
  4. Step 4: Simplify right side
    57,506,076x = 15,321,718,136,541,184
  5. Step 5: Solve for x
    x = 15,321,718,136,541,184/57,506,076
  6. Step 6: Final answer
    x = 266,436,509.01

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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.