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Finding the Third Proportional to 8,391,771 and 12,742,312.50

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Solution

The third proportional to 8,391,771 and 12,742,312.50 is: 19,348,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,771 : 12,742,312.50 = 12,742,312.50 : x
  2. Step 2: Convert to fraction form
    8,391,771/12,742,312.50 = 12,742,312.50/x
  3. Step 3: Cross multiply
    8,391,771x = 12,742,312.50 × 12,742,312.50
  4. Step 4: Simplify right side
    8,391,771x = 162,366,527,847,656.25
  5. Step 5: Solve for x
    x = 162,366,527,847,656.25/8,391,771
  6. Step 6: Final answer
    x = 19,348,302.98

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.