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Finding the Third Proportional to 711,085.50 and 1,549,989

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Solution

The third proportional to 711,085.50 and 1,549,989 is: 3,378,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,085.50 : 1,549,989 = 1,549,989 : x
  2. Step 2: Convert to fraction form
    711,085.50/1,549,989 = 1,549,989/x
  3. Step 3: Cross multiply
    711,085.50x = 1,549,989 × 1,549,989
  4. Step 4: Simplify right side
    711,085.50x = 2,402,465,900,121
  5. Step 5: Solve for x
    x = 2,402,465,900,121/711,085.50
  6. Step 6: Final answer
    x = 3,378,589.35

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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.