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Finding the Third Proportional to 78,962,700 and 107,573,202

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Solution

The third proportional to 78,962,700 and 107,573,202 is: 146,550,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,962,700 : 107,573,202 = 107,573,202 : x
  2. Step 2: Convert to fraction form
    78,962,700/107,573,202 = 107,573,202/x
  3. Step 3: Cross multiply
    78,962,700x = 107,573,202 × 107,573,202
  4. Step 4: Simplify right side
    78,962,700x = 11,571,993,788,532,804
  5. Step 5: Solve for x
    x = 11,571,993,788,532,804/78,962,700
  6. Step 6: Final answer
    x = 146,550,127.95

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.