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Finding the Third Proportional to 30,035,943 and 45,133,890

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Solution

The third proportional to 30,035,943 and 45,133,890 is: 67,821,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035,943 : 45,133,890 = 45,133,890 : x
  2. Step 2: Convert to fraction form
    30,035,943/45,133,890 = 45,133,890/x
  3. Step 3: Cross multiply
    30,035,943x = 45,133,890 × 45,133,890
  4. Step 4: Simplify right side
    30,035,943x = 2,037,068,026,532,100
  5. Step 5: Solve for x
    x = 2,037,068,026,532,100/30,035,943
  6. Step 6: Final answer
    x = 67,821,011.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.