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Finding the Third Proportional to 315,466,554 and 730,247,950.50

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Solution

The third proportional to 315,466,554 and 730,247,950.50 is: 1,690,391,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,466,554 : 730,247,950.50 = 730,247,950.50 : x
  2. Step 2: Convert to fraction form
    315,466,554/730,247,950.50 = 730,247,950.50/x
  3. Step 3: Cross multiply
    315,466,554x = 730,247,950.50 × 730,247,950.50
  4. Step 4: Simplify right side
    315,466,554x = 533,262,069,209,450,432
  5. Step 5: Solve for x
    x = 533,262,069,209,450,432/315,466,554
  6. Step 6: Final answer
    x = 1,690,391,778.30

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.