Home / 1,378,929,790-2,195,210,557

Finding the Third Proportional to 1,378,929,790 and 2,195,210,557

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Solution

The third proportional to 1,378,929,790 and 2,195,210,557 is: 3,494,702,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,929,790 : 2,195,210,557 = 2,195,210,557 : x
  2. Step 2: Convert to fraction form
    1,378,929,790/2,195,210,557 = 2,195,210,557/x
  3. Step 3: Cross multiply
    1,378,929,790x = 2,195,210,557 × 2,195,210,557
  4. Step 4: Simplify right side
    1,378,929,790x = 4,818,949,389,564,250,112
  5. Step 5: Solve for x
    x = 4,818,949,389,564,250,112/1,378,929,790
  6. Step 6: Final answer
    x = 3,494,702,503.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.