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Finding the Third Proportional to 266,034,417 and 621,576,438

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Solution

The third proportional to 266,034,417 and 621,576,438 is: 1,452,283,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,034,417 : 621,576,438 = 621,576,438 : x
  2. Step 2: Convert to fraction form
    266,034,417/621,576,438 = 621,576,438/x
  3. Step 3: Cross multiply
    266,034,417x = 621,576,438 × 621,576,438
  4. Step 4: Simplify right side
    266,034,417x = 386,357,268,276,767,872
  5. Step 5: Solve for x
    x = 386,357,268,276,767,872/266,034,417
  6. Step 6: Final answer
    x = 1,452,283,026.51

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.