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Finding the Third Proportional to 29,677,205 and 64,430,370

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Solution

The third proportional to 29,677,205 and 64,430,370 is: 139,880,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,677,205 : 64,430,370 = 64,430,370 : x
  2. Step 2: Convert to fraction form
    29,677,205/64,430,370 = 64,430,370/x
  3. Step 3: Cross multiply
    29,677,205x = 64,430,370 × 64,430,370
  4. Step 4: Simplify right side
    29,677,205x = 4,151,272,578,336,900
  5. Step 5: Solve for x
    x = 4,151,272,578,336,900/29,677,205
  6. Step 6: Final answer
    x = 139,880,847.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.