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Finding the Third Proportional to 74,278,599 and 162,906,090

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Solution

The third proportional to 74,278,599 and 162,906,090 is: 357,281,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278,599 : 162,906,090 = 162,906,090 : x
  2. Step 2: Convert to fraction form
    74,278,599/162,906,090 = 162,906,090/x
  3. Step 3: Cross multiply
    74,278,599x = 162,906,090 × 162,906,090
  4. Step 4: Simplify right side
    74,278,599x = 26,538,394,159,088,100
  5. Step 5: Solve for x
    x = 26,538,394,159,088,100/74,278,599
  6. Step 6: Final answer
    x = 357,281,835.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.