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Finding the Third Proportional to 123,307,710.75 and 265,215,856.50

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Solution

The third proportional to 123,307,710.75 and 265,215,856.50 is: 570,438,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,307,710.75 : 265,215,856.50 = 265,215,856.50 : x
  2. Step 2: Convert to fraction form
    123,307,710.75/265,215,856.50 = 265,215,856.50/x
  3. Step 3: Cross multiply
    123,307,710.75x = 265,215,856.50 × 265,215,856.50
  4. Step 4: Simplify right side
    123,307,710.75x = 70,339,450,539,028,592
  5. Step 5: Solve for x
    x = 70,339,450,539,028,592/123,307,710.75
  6. Step 6: Final answer
    x = 570,438,378.19

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.