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Finding the Third Proportional to 86,803,152 and 134,286,328

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Solution

The third proportional to 86,803,152 and 134,286,328 is: 207,743,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803,152 : 134,286,328 = 134,286,328 : x
  2. Step 2: Convert to fraction form
    86,803,152/134,286,328 = 134,286,328/x
  3. Step 3: Cross multiply
    86,803,152x = 134,286,328 × 134,286,328
  4. Step 4: Simplify right side
    86,803,152x = 18,032,817,887,723,584
  5. Step 5: Solve for x
    x = 18,032,817,887,723,584/86,803,152
  6. Step 6: Final answer
    x = 207,743,814.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.