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Finding the Third Proportional to 86,749,428 and 115,653,003

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Solution

The third proportional to 86,749,428 and 115,653,003 is: 154,186,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,749,428 : 115,653,003 = 115,653,003 : x
  2. Step 2: Convert to fraction form
    86,749,428/115,653,003 = 115,653,003/x
  3. Step 3: Cross multiply
    86,749,428x = 115,653,003 × 115,653,003
  4. Step 4: Simplify right side
    86,749,428x = 13,375,617,102,918,008
  5. Step 5: Solve for x
    x = 13,375,617,102,918,008/86,749,428
  6. Step 6: Final answer
    x = 154,186,804.59

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.