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Finding the Third Proportional to 129,516,127 and 264,234,853

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Solution

The third proportional to 129,516,127 and 264,234,853 is: 539,083,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,516,127 : 264,234,853 = 264,234,853 : x
  2. Step 2: Convert to fraction form
    129,516,127/264,234,853 = 264,234,853/x
  3. Step 3: Cross multiply
    129,516,127x = 264,234,853 × 264,234,853
  4. Step 4: Simplify right side
    129,516,127x = 69,820,057,539,931,608
  5. Step 5: Solve for x
    x = 69,820,057,539,931,608/129,516,127
  6. Step 6: Final answer
    x = 539,083,889.84

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.