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Finding the Third Proportional to 18,955,756.50 and 40,931,994

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Solution

The third proportional to 18,955,756.50 and 40,931,994 is: 88,386,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955,756.50 : 40,931,994 = 40,931,994 : x
  2. Step 2: Convert to fraction form
    18,955,756.50/40,931,994 = 40,931,994/x
  3. Step 3: Cross multiply
    18,955,756.50x = 40,931,994 × 40,931,994
  4. Step 4: Simplify right side
    18,955,756.50x = 1,675,428,132,816,036
  5. Step 5: Solve for x
    x = 1,675,428,132,816,036/18,955,756.50
  6. Step 6: Final answer
    x = 88,386,244.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.