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Finding the Third Proportional to 761,281,980 and 1,211,349,288

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Solution

The third proportional to 761,281,980 and 1,211,349,288 is: 1,927,494,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,281,980 : 1,211,349,288 = 1,211,349,288 : x
  2. Step 2: Convert to fraction form
    761,281,980/1,211,349,288 = 1,211,349,288/x
  3. Step 3: Cross multiply
    761,281,980x = 1,211,349,288 × 1,211,349,288
  4. Step 4: Simplify right side
    761,281,980x = 1,467,367,097,538,106,880
  5. Step 5: Solve for x
    x = 1,467,367,097,538,106,880/761,281,980
  6. Step 6: Final answer
    x = 1,927,494,852.22

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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.