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Finding the Third Proportional to 143,927,679 and 210,493,581

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Solution

The third proportional to 143,927,679 and 210,493,581 is: 307,845,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,927,679 : 210,493,581 = 210,493,581 : x
  2. Step 2: Convert to fraction form
    143,927,679/210,493,581 = 210,493,581/x
  3. Step 3: Cross multiply
    143,927,679x = 210,493,581 × 210,493,581
  4. Step 4: Simplify right side
    143,927,679x = 44,307,547,642,203,560
  5. Step 5: Solve for x
    x = 44,307,547,642,203,560/143,927,679
  6. Step 6: Final answer
    x = 307,845,912.27

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.