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Finding the Third Proportional to 18,547,060.50 and 40,181,431.50

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Solution

The third proportional to 18,547,060.50 and 40,181,431.50 is: 87,051,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,060.50 : 40,181,431.50 = 40,181,431.50 : x
  2. Step 2: Convert to fraction form
    18,547,060.50/40,181,431.50 = 40,181,431.50/x
  3. Step 3: Cross multiply
    18,547,060.50x = 40,181,431.50 × 40,181,431.50
  4. Step 4: Simplify right side
    18,547,060.50x = 1,614,547,437,389,192.25
  5. Step 5: Solve for x
    x = 1,614,547,437,389,192.25/18,547,060.50
  6. Step 6: Final answer
    x = 87,051,392.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.