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Finding the Third Proportional to 523,320.75 and 830,017.13

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Solution

The third proportional to 523,320.75 and 830,017.13 is: 1,316,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,320.75 : 830,017.13 = 830,017.13 : x
  2. Step 2: Convert to fraction form
    523,320.75/830,017.13 = 830,017.13/x
  3. Step 3: Cross multiply
    523,320.75x = 830,017.13 × 830,017.13
  4. Step 4: Simplify right side
    523,320.75x = 688,928,427,793.27
  5. Step 5: Solve for x
    x = 688,928,427,793.27/523,320.75
  6. Step 6: Final answer
    x = 1,316,455.40

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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.