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Finding the Third Proportional to 63,975,829.50 and 138,145,915.50

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Solution

The third proportional to 63,975,829.50 and 138,145,915.50 is: 298,304,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,975,829.50 : 138,145,915.50 = 138,145,915.50 : x
  2. Step 2: Convert to fraction form
    63,975,829.50/138,145,915.50 = 138,145,915.50/x
  3. Step 3: Cross multiply
    63,975,829.50x = 138,145,915.50 × 138,145,915.50
  4. Step 4: Simplify right side
    63,975,829.50x = 19,084,293,969,333,140
  5. Step 5: Solve for x
    x = 19,084,293,969,333,140/63,975,829.50
  6. Step 6: Final answer
    x = 298,304,752.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.