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Finding the Third Proportional to 9,966,104 and 15,390,820

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Solution

The third proportional to 9,966,104 and 15,390,820 is: 23,768,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,104 : 15,390,820 = 15,390,820 : x
  2. Step 2: Convert to fraction form
    9,966,104/15,390,820 = 15,390,820/x
  3. Step 3: Cross multiply
    9,966,104x = 15,390,820 × 15,390,820
  4. Step 4: Simplify right side
    9,966,104x = 236,877,340,272,400
  5. Step 5: Solve for x
    x = 236,877,340,272,400/9,966,104
  6. Step 6: Final answer
    x = 23,768,299.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.