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Finding the Third Proportional to 4,712,856 and 7,206,356

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Solution

The third proportional to 4,712,856 and 7,206,356 is: 11,019,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,856 : 7,206,356 = 7,206,356 : x
  2. Step 2: Convert to fraction form
    4,712,856/7,206,356 = 7,206,356/x
  3. Step 3: Cross multiply
    4,712,856x = 7,206,356 × 7,206,356
  4. Step 4: Simplify right side
    4,712,856x = 51,931,566,798,736
  5. Step 5: Solve for x
    x = 51,931,566,798,736/4,712,856
  6. Step 6: Final answer
    x = 11,019,128.70

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.