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Finding the Third Proportional to 30,334,257 and 64,920,042

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Solution

The third proportional to 30,334,257 and 64,920,042 is: 138,939,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334,257 : 64,920,042 = 64,920,042 : x
  2. Step 2: Convert to fraction form
    30,334,257/64,920,042 = 64,920,042/x
  3. Step 3: Cross multiply
    30,334,257x = 64,920,042 × 64,920,042
  4. Step 4: Simplify right side
    30,334,257x = 4,214,611,853,281,764
  5. Step 5: Solve for x
    x = 4,214,611,853,281,764/30,334,257
  6. Step 6: Final answer
    x = 138,939,017.14

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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.