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Finding the Third Proportional to 7,983,090 and 12,506,247

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Solution

The third proportional to 7,983,090 and 12,506,247 is: 19,592,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983,090 : 12,506,247 = 12,506,247 : x
  2. Step 2: Convert to fraction form
    7,983,090/12,506,247 = 12,506,247/x
  3. Step 3: Cross multiply
    7,983,090x = 12,506,247 × 12,506,247
  4. Step 4: Simplify right side
    7,983,090x = 156,406,214,025,009
  5. Step 5: Solve for x
    x = 156,406,214,025,009/7,983,090
  6. Step 6: Final answer
    x = 19,592,189.74

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.