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Finding the Third Proportional to 338,403,302 and 742,127,920

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Solution

The third proportional to 338,403,302 and 742,127,920 is: 1,627,507,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,403,302 : 742,127,920 = 742,127,920 : x
  2. Step 2: Convert to fraction form
    338,403,302/742,127,920 = 742,127,920/x
  3. Step 3: Cross multiply
    338,403,302x = 742,127,920 × 742,127,920
  4. Step 4: Simplify right side
    338,403,302x = 550,753,849,643,526,400
  5. Step 5: Solve for x
    x = 550,753,849,643,526,400/338,403,302
  6. Step 6: Final answer
    x = 1,627,507,315.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.