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Finding the Third Proportional to 15,219,370 and 31,698,452

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Solution

The third proportional to 15,219,370 and 31,698,452 is: 66,020,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,370 : 31,698,452 = 31,698,452 : x
  2. Step 2: Convert to fraction form
    15,219,370/31,698,452 = 31,698,452/x
  3. Step 3: Cross multiply
    15,219,370x = 31,698,452 × 31,698,452
  4. Step 4: Simplify right side
    15,219,370x = 1,004,791,859,196,304
  5. Step 5: Solve for x
    x = 1,004,791,859,196,304/15,219,370
  6. Step 6: Final answer
    x = 66,020,594.75

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.