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Finding the Third Proportional to 64,911,371 and 100,831,259

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Solution

The third proportional to 64,911,371 and 100,831,259 is: 156,628,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,911,371 : 100,831,259 = 100,831,259 : x
  2. Step 2: Convert to fraction form
    64,911,371/100,831,259 = 100,831,259/x
  3. Step 3: Cross multiply
    64,911,371x = 100,831,259 × 100,831,259
  4. Step 4: Simplify right side
    64,911,371x = 10,166,942,791,525,080
  5. Step 5: Solve for x
    x = 10,166,942,791,525,080/64,911,371
  6. Step 6: Final answer
    x = 156,628,070.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.