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Finding the Third Proportional to 579,916 and 1,249,640

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Solution

The third proportional to 579,916 and 1,249,640 is: 2,692,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,916 : 1,249,640 = 1,249,640 : x
  2. Step 2: Convert to fraction form
    579,916/1,249,640 = 1,249,640/x
  3. Step 3: Cross multiply
    579,916x = 1,249,640 × 1,249,640
  4. Step 4: Simplify right side
    579,916x = 1,561,600,129,600
  5. Step 5: Solve for x
    x = 1,561,600,129,600/579,916
  6. Step 6: Final answer
    x = 2,692,804.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.