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Finding the Third Proportional to 4,909,346 and 10,159,556

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Solution

The third proportional to 4,909,346 and 10,159,556 is: 21,024,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909,346 : 10,159,556 = 10,159,556 : x
  2. Step 2: Convert to fraction form
    4,909,346/10,159,556 = 10,159,556/x
  3. Step 3: Cross multiply
    4,909,346x = 10,159,556 × 10,159,556
  4. Step 4: Simplify right side
    4,909,346x = 103,216,578,117,136
  5. Step 5: Solve for x
    x = 103,216,578,117,136/4,909,346
  6. Step 6: Final answer
    x = 21,024,506.75

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.