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Finding the Third Proportional to 66,357,992.81 and 103,030,722.56

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Solution

The third proportional to 66,357,992.81 and 103,030,722.56 is: 159,970,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,357,992.81 : 103,030,722.56 = 103,030,722.56 : x
  2. Step 2: Convert to fraction form
    66,357,992.81/103,030,722.56 = 103,030,722.56/x
  3. Step 3: Cross multiply
    66,357,992.81x = 103,030,722.56 × 103,030,722.56
  4. Step 4: Simplify right side
    66,357,992.81x = 10,615,329,791,750,846
  5. Step 5: Solve for x
    x = 10,615,329,791,750,846/66,357,992.81
  6. Step 6: Final answer
    x = 159,970,628.13

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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.