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Finding the Third Proportional to 21,192,242 and 45,772,389

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Solution

The third proportional to 21,192,242 and 45,772,389 is: 98,862,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,242 : 45,772,389 = 45,772,389 : x
  2. Step 2: Convert to fraction form
    21,192,242/45,772,389 = 45,772,389/x
  3. Step 3: Cross multiply
    21,192,242x = 45,772,389 × 45,772,389
  4. Step 4: Simplify right side
    21,192,242x = 2,095,111,594,767,321
  5. Step 5: Solve for x
    x = 2,095,111,594,767,321/21,192,242
  6. Step 6: Final answer
    x = 98,862,196.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.