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Finding the Third Proportional to 630,686.25 and 953,572.50

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Solution

The third proportional to 630,686.25 and 953,572.50 is: 1,441,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,686.25 : 953,572.50 = 953,572.50 : x
  2. Step 2: Convert to fraction form
    630,686.25/953,572.50 = 953,572.50/x
  3. Step 3: Cross multiply
    630,686.25x = 953,572.50 × 953,572.50
  4. Step 4: Simplify right side
    630,686.25x = 909,300,512,756.25
  5. Step 5: Solve for x
    x = 909,300,512,756.25/630,686.25
  6. Step 6: Final answer
    x = 1,441,763.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.