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Finding the Third Proportional to 2,516,061 and 5,430,489

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Solution

The third proportional to 2,516,061 and 5,430,489 is: 11,720,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516,061 : 5,430,489 = 5,430,489 : x
  2. Step 2: Convert to fraction form
    2,516,061/5,430,489 = 5,430,489/x
  3. Step 3: Cross multiply
    2,516,061x = 5,430,489 × 5,430,489
  4. Step 4: Simplify right side
    2,516,061x = 29,490,210,779,121
  5. Step 5: Solve for x
    x = 29,490,210,779,121/2,516,061
  6. Step 6: Final answer
    x = 11,720,785.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.