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Finding the Third Proportional to 655,359 and 885,430.50

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Solution

The third proportional to 655,359 and 885,430.50 is: 1,196,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,359 : 885,430.50 = 885,430.50 : x
  2. Step 2: Convert to fraction form
    655,359/885,430.50 = 885,430.50/x
  3. Step 3: Cross multiply
    655,359x = 885,430.50 × 885,430.50
  4. Step 4: Simplify right side
    655,359x = 783,987,170,330.25
  5. Step 5: Solve for x
    x = 783,987,170,330.25/655,359
  6. Step 6: Final answer
    x = 1,196,271.31

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.