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Finding the Third Proportional to 15,139,921 and 32,835,352

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Solution

The third proportional to 15,139,921 and 32,835,352 is: 71,213,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139,921 : 32,835,352 = 32,835,352 : x
  2. Step 2: Convert to fraction form
    15,139,921/32,835,352 = 32,835,352/x
  3. Step 3: Cross multiply
    15,139,921x = 32,835,352 × 32,835,352
  4. Step 4: Simplify right side
    15,139,921x = 1,078,160,340,963,904
  5. Step 5: Solve for x
    x = 1,078,160,340,963,904/15,139,921
  6. Step 6: Final answer
    x = 71,213,075.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.