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Finding the Third Proportional to 9,123,973.92 and 12,187,986.55

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Solution

The third proportional to 9,123,973.92 and 12,187,986.55 is: 16,280,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123,973.92 : 12,187,986.55 = 12,187,986.55 : x
  2. Step 2: Convert to fraction form
    9,123,973.92/12,187,986.55 = 12,187,986.55/x
  3. Step 3: Cross multiply
    9,123,973.92x = 12,187,986.55 × 12,187,986.55
  4. Step 4: Simplify right side
    9,123,973.92x = 148,547,016,090,596.94
  5. Step 5: Solve for x
    x = 148,547,016,090,596.94/9,123,973.92
  6. Step 6: Final answer
    x = 16,280,955.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.