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Finding the Third Proportional to 763,070 and 1,214,655.50

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Solution

The third proportional to 763,070 and 1,214,655.50 is: 1,933,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,070 : 1,214,655.50 = 1,214,655.50 : x
  2. Step 2: Convert to fraction form
    763,070/1,214,655.50 = 1,214,655.50/x
  3. Step 3: Cross multiply
    763,070x = 1,214,655.50 × 1,214,655.50
  4. Step 4: Simplify right side
    763,070x = 1,475,387,983,680.25
  5. Step 5: Solve for x
    x = 1,475,387,983,680.25/763,070
  6. Step 6: Final answer
    x = 1,933,489.70

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.