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Finding the Third Proportional to 38,579,715 and 83,216,862

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Solution

The third proportional to 38,579,715 and 83,216,862 is: 179,499,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579,715 : 83,216,862 = 83,216,862 : x
  2. Step 2: Convert to fraction form
    38,579,715/83,216,862 = 83,216,862/x
  3. Step 3: Cross multiply
    38,579,715x = 83,216,862 × 83,216,862
  4. Step 4: Simplify right side
    38,579,715x = 6,925,046,121,127,044
  5. Step 5: Solve for x
    x = 6,925,046,121,127,044/38,579,715
  6. Step 6: Final answer
    x = 179,499,670.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.