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Finding the Third Proportional to 8,765,490 and 19,212,252

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Solution

The third proportional to 8,765,490 and 19,212,252 is: 42,109,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765,490 : 19,212,252 = 19,212,252 : x
  2. Step 2: Convert to fraction form
    8,765,490/19,212,252 = 19,212,252/x
  3. Step 3: Cross multiply
    8,765,490x = 19,212,252 × 19,212,252
  4. Step 4: Simplify right side
    8,765,490x = 369,110,626,911,504
  5. Step 5: Solve for x
    x = 369,110,626,911,504/8,765,490
  6. Step 6: Final answer
    x = 42,109,525.76

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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.