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Finding the Third Proportional to 605,742,660 and 1,317,617,689.50

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Solution

The third proportional to 605,742,660 and 1,317,617,689.50 is: 2,866,095,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,742,660 : 1,317,617,689.50 = 1,317,617,689.50 : x
  2. Step 2: Convert to fraction form
    605,742,660/1,317,617,689.50 = 1,317,617,689.50/x
  3. Step 3: Cross multiply
    605,742,660x = 1,317,617,689.50 × 1,317,617,689.50
  4. Step 4: Simplify right side
    605,742,660x = 1,736,116,375,683,318,528
  5. Step 5: Solve for x
    x = 1,736,116,375,683,318,528/605,742,660
  6. Step 6: Final answer
    x = 2,866,095,605.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.