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Finding the Third Proportional to 929,127 and 1,969,899

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Solution

The third proportional to 929,127 and 1,969,899 is: 4,176,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,127 : 1,969,899 = 1,969,899 : x
  2. Step 2: Convert to fraction form
    929,127/1,969,899 = 1,969,899/x
  3. Step 3: Cross multiply
    929,127x = 1,969,899 × 1,969,899
  4. Step 4: Simplify right side
    929,127x = 3,880,502,070,201
  5. Step 5: Solve for x
    x = 3,880,502,070,201/929,127
  6. Step 6: Final answer
    x = 4,176,503.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.