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Finding the Third Proportional to 15,956,772 and 35,272,776

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Solution

The third proportional to 15,956,772 and 35,272,776 is: 77,971,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956,772 : 35,272,776 = 35,272,776 : x
  2. Step 2: Convert to fraction form
    15,956,772/35,272,776 = 35,272,776/x
  3. Step 3: Cross multiply
    15,956,772x = 35,272,776 × 35,272,776
  4. Step 4: Simplify right side
    15,956,772x = 1,244,168,726,746,176
  5. Step 5: Solve for x
    x = 1,244,168,726,746,176/15,956,772
  6. Step 6: Final answer
    x = 77,971,204.12

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.