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Finding the Third Proportional to 197,972,110 and 299,506,221

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Solution

The third proportional to 197,972,110 and 299,506,221 is: 453,114,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,972,110 : 299,506,221 = 299,506,221 : x
  2. Step 2: Convert to fraction form
    197,972,110/299,506,221 = 299,506,221/x
  3. Step 3: Cross multiply
    197,972,110x = 299,506,221 × 299,506,221
  4. Step 4: Simplify right side
    197,972,110x = 89,703,976,417,700,848
  5. Step 5: Solve for x
    x = 89,703,976,417,700,848/197,972,110
  6. Step 6: Final answer
    x = 453,114,210.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.