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Finding the Third Proportional to 514,129,588.50 and 783,240,865.50

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Solution

The third proportional to 514,129,588.50 and 783,240,865.50 is: 1,193,213,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,129,588.50 : 783,240,865.50 = 783,240,865.50 : x
  2. Step 2: Convert to fraction form
    514,129,588.50/783,240,865.50 = 783,240,865.50/x
  3. Step 3: Cross multiply
    514,129,588.50x = 783,240,865.50 × 783,240,865.50
  4. Step 4: Simplify right side
    514,129,588.50x = 613,466,253,389,189,120
  5. Step 5: Solve for x
    x = 613,466,253,389,189,120/514,129,588.50
  6. Step 6: Final answer
    x = 1,193,213,281.46

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.