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Finding the Third Proportional to 155,510,407 and 334,098,981

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Solution

The third proportional to 155,510,407 and 334,098,981 is: 717,779,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,510,407 : 334,098,981 = 334,098,981 : x
  2. Step 2: Convert to fraction form
    155,510,407/334,098,981 = 334,098,981/x
  3. Step 3: Cross multiply
    155,510,407x = 334,098,981 × 334,098,981
  4. Step 4: Simplify right side
    155,510,407x = 111,622,129,105,238,368
  5. Step 5: Solve for x
    x = 111,622,129,105,238,368/155,510,407
  6. Step 6: Final answer
    x = 717,779,158.70

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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.