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Finding the Third Proportional to 290,224,062 and 631,465,554

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Solution

The third proportional to 290,224,062 and 631,465,554 is: 1,373,934,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,224,062 : 631,465,554 = 631,465,554 : x
  2. Step 2: Convert to fraction form
    290,224,062/631,465,554 = 631,465,554/x
  3. Step 3: Cross multiply
    290,224,062x = 631,465,554 × 631,465,554
  4. Step 4: Simplify right side
    290,224,062x = 398,748,745,888,526,912
  5. Step 5: Solve for x
    x = 398,748,745,888,526,912/290,224,062
  6. Step 6: Final answer
    x = 1,373,934,136.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.