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Finding the Third Proportional to 870,030 and 1,926,690

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Solution

The third proportional to 870,030 and 1,926,690 is: 4,266,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,030 : 1,926,690 = 1,926,690 : x
  2. Step 2: Convert to fraction form
    870,030/1,926,690 = 1,926,690/x
  3. Step 3: Cross multiply
    870,030x = 1,926,690 × 1,926,690
  4. Step 4: Simplify right side
    870,030x = 3,712,134,356,100
  5. Step 5: Solve for x
    x = 3,712,134,356,100/870,030
  6. Step 6: Final answer
    x = 4,266,673.97

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.