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Finding the Third Proportional to 76,577,572 and 163,919,312

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Solution

The third proportional to 76,577,572 and 163,919,312 is: 350,880,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,577,572 : 163,919,312 = 163,919,312 : x
  2. Step 2: Convert to fraction form
    76,577,572/163,919,312 = 163,919,312/x
  3. Step 3: Cross multiply
    76,577,572x = 163,919,312 × 163,919,312
  4. Step 4: Simplify right side
    76,577,572x = 26,869,540,846,553,344
  5. Step 5: Solve for x
    x = 26,869,540,846,553,344/76,577,572
  6. Step 6: Final answer
    x = 350,880,031.12

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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.