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Finding the Third Proportional to 76,514,328 and 163,944,420

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Solution

The third proportional to 76,514,328 and 163,944,420 is: 351,277,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,514,328 : 163,944,420 = 163,944,420 : x
  2. Step 2: Convert to fraction form
    76,514,328/163,944,420 = 163,944,420/x
  3. Step 3: Cross multiply
    76,514,328x = 163,944,420 × 163,944,420
  4. Step 4: Simplify right side
    76,514,328x = 26,877,772,849,136,400
  5. Step 5: Solve for x
    x = 26,877,772,849,136,400/76,514,328
  6. Step 6: Final answer
    x = 351,277,643.70

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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.