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Finding the Third Proportional to 74,875,246 and 163,530,144

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Solution

The third proportional to 74,875,246 and 163,530,144 is: 357,155,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,875,246 : 163,530,144 = 163,530,144 : x
  2. Step 2: Convert to fraction form
    74,875,246/163,530,144 = 163,530,144/x
  3. Step 3: Cross multiply
    74,875,246x = 163,530,144 × 163,530,144
  4. Step 4: Simplify right side
    74,875,246x = 26,742,107,996,660,736
  5. Step 5: Solve for x
    x = 26,742,107,996,660,736/74,875,246
  6. Step 6: Final answer
    x = 357,155,527.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.