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Finding the Third Proportional to 621,113,348 and 1,329,477,061

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Solution

The third proportional to 621,113,348 and 1,329,477,061 is: 2,845,711,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,113,348 : 1,329,477,061 = 1,329,477,061 : x
  2. Step 2: Convert to fraction form
    621,113,348/1,329,477,061 = 1,329,477,061/x
  3. Step 3: Cross multiply
    621,113,348x = 1,329,477,061 × 1,329,477,061
  4. Step 4: Simplify right side
    621,113,348x = 1,767,509,255,725,197,824
  5. Step 5: Solve for x
    x = 1,767,509,255,725,197,824/621,113,348
  6. Step 6: Final answer
    x = 2,845,711,272.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.