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Finding the Third Proportional to 989,466 and 2,118,852

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Solution

The third proportional to 989,466 and 2,118,852 is: 4,537,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,466 : 2,118,852 = 2,118,852 : x
  2. Step 2: Convert to fraction form
    989,466/2,118,852 = 2,118,852/x
  3. Step 3: Cross multiply
    989,466x = 2,118,852 × 2,118,852
  4. Step 4: Simplify right side
    989,466x = 4,489,533,797,904
  5. Step 5: Solve for x
    x = 4,489,533,797,904/989,466
  6. Step 6: Final answer
    x = 4,537,330.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.