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Finding the Third Proportional to 86,881,658 and 127,482,219

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Solution

The third proportional to 86,881,658 and 127,482,219 is: 187,055,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,881,658 : 127,482,219 = 127,482,219 : x
  2. Step 2: Convert to fraction form
    86,881,658/127,482,219 = 127,482,219/x
  3. Step 3: Cross multiply
    86,881,658x = 127,482,219 × 127,482,219
  4. Step 4: Simplify right side
    86,881,658x = 16,251,716,161,163,960
  5. Step 5: Solve for x
    x = 16,251,716,161,163,960/86,881,658
  6. Step 6: Final answer
    x = 187,055,778.35

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.