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Finding the Third Proportional to 4,258,210,478 and 9,319,156,028

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Solution

The third proportional to 4,258,210,478 and 9,319,156,028 is: 20,395,109,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,210,478 : 9,319,156,028 = 9,319,156,028 : x
  2. Step 2: Convert to fraction form
    4,258,210,478/9,319,156,028 = 9,319,156,028/x
  3. Step 3: Cross multiply
    4,258,210,478x = 9,319,156,028 × 9,319,156,028
  4. Step 4: Simplify right side
    4,258,210,478x = 86,846,669,074,208,735,232
  5. Step 5: Solve for x
    x = 86,846,669,074,208,735,232/4,258,210,478
  6. Step 6: Final answer
    x = 20,395,109,523.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.